311918156

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{20789}}^1$

素因数の和:20846

約数の個数: 36

約数和(自身を含む): 619375680

約数和(自身を除く): 307457524

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 121, 124, 242, 341, 484, 682, 1364, 3751, 7502, 15004, 20789, 41578, 83156, 228679, 457358, 644459, 914716, 1288918, 2515469, 2577836, 5030938, 7089049, 10061876, 14178098, 28356196, 77979539, 155959078, 311918156]

約数ペア:

[(1, 311918156), (2, 155959078), (4, 77979539), (11, 28356196), (22, 14178098), (31, 10061876), (44, 7089049), (62, 5030938), (121, 2577836), (124, 2515469), (242, 1288918), (341, 914716), (484, 644459), (682, 457358), (1364, 228679), (3751, 83156), (7502, 41578), (15004, 20789)]